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/*
* Copyright (c) 2002-2009 Moxie Marlinspike
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifndef __HTTP_HEADERS_H__
#define __HTTP_HEADERS_H__
#define READING_ACTION 0
#define READING_KEY 1
#define READING_VALUE 2
#define READING_POST 3
#define READING_DONE 4
#include <string>
#include <map>
#include <iostream>
class HttpHeaderException : public std::exception {
public:
virtual const char* what() const throw() {
return "HTTP Action Malformed...";
}
};
/************************************************************************/
/* Comparator for case-insensitive comparison in STL assos. containers */
/************************************************************************/
struct ci_less : std::binary_function<std::string, std::string, bool>
{
// case-independent (ci) compare_less binary function
struct nocase_compare : public std::binary_function<unsigned char,unsigned char,bool>
{
bool operator() (const unsigned char& c1, const unsigned char& c2) const {
return tolower (c1) < tolower (c2);
}
};
bool operator() (const std::string & s1, const std::string & s2) const {
return std::lexicographical_compare
(s1.begin (), s1.end (), // source range
s2.begin (), s2.end (), // dest range
nocase_compare ()); // comparison
}
};
class HttpHeaders {
private:
int foundCr;
int foundLf;
int state;
std::string action;
std::string method;
std::string request;
std::string postData;
std::string key;
std::string value;
std::map<std::string, std::string, ci_less> headers;
int readLine(char *buffer, int *offset, int length);
int readAction(char *buffer, int length);
int readValue(char *buffer, int offset, int length);
int readKey(char *buffer, int offset, int length);
void readPostData(char *buffer, int offset, int length);
void parseAction();
int getContentLength();
public:
HttpHeaders()
: state(READING_ACTION),
foundCr(0),
foundLf(0) {}
bool process(char * buffer, int length);
bool isPost();
std::map<std::string, std::string, ci_less>& getHeaders();
std::string& getHeader(std::string& header);
std::string& getMethod();
std::string& getRequest();
std::string& getPostData();
};
#endif
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